Скачать или смотреть How to Ensure Your Horizontal RecyclerView Displays the First Item in Android

Learn how to set up your horizontal RecyclerView in Android so that it automatically scrolls to show the first item after setting the adapter.
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This video is based on the question https://stackoverflow.com/q/63152333/ asked by the user 'Srijan' ( https://stackoverflow.com/u/13677712/ ) and on the answer https://stackoverflow.com/a/63152893/ provided by the user 'Rajnish Sharma' ( https://stackoverflow.com/u/11192811/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the Issue with Horizontal RecyclerView Centering

If you've ever had a RecyclerView in Android but found it frustrating that it automatically centered itself to a random item instead of displaying the first item, you’re not alone! Many developers encounter this challenge when implementing horizontal scrolling views. In this guide, we'll explore how to effectively configure your Horizontal RecyclerView so it directly shows the first item right after the adapter is set. Let's dive into the solution!

Understanding the Problem

When you create a RecyclerView for horizontal scrolling, it's common to face an issue where the RecyclerView automatically scrolls to the center item instead of starting at the first item. This behavior can disrupt the user experience, especially in apps where you'd like the first item to be shown immediately.

The root of this issue lies in the configuration of the LayoutManager used in your RecyclerView. If not configured correctly, it can lead to unexpected scrolling behavior.

Step-by-Step Solution

To fix the issue, you will need to adjust the LayoutManager settings in your code. Here’s how you can do it:

Update Your LayoutManager: Locate the line where you set up the LayoutManager for your RecyclerView. This is typically done in your activity where you are initializing the RecyclerView.

Change the Orientation Setting: You may find that the line will have a third parameter set to true. This parameter controls whether the RecyclerView should reverse its layout.

[[See Video to Reveal this Text or Code Snippet]]

Modify the Parameter: Change the true to false so that the RecyclerView doesn't attempt to center itself on the last item.

Updated Code:

[[See Video to Reveal this Text or Code Snippet]]

Why This Works

By changing the last parameter from true to false, the LinearLayoutManager will operate in a non-reversed state. This means it will start from the first item in the dataset and not attempt to scroll to the center of the list — perfect for when you want your users to see the first item right away!

Summary

In summary:

If your Horizontal RecyclerView is scrolling to the center item instead of the first item after setting the adapter, simply adjust the LayoutManager parameter from true to false.

This minor change can significantly enhance the user experience by ensuring users immediately see the next item relevant to them!

With these adjustments, you'll provide a smoother browsing experience in your Android applications using horizontal RecyclerViews.

If you have further questions or need more assistance, feel free to reach out! Happy coding!